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This transforms topical GHK-Cu application from a cosmetically limited surface treatment into a clinically relevant dermal intervention
5a) allows selective inhibition of CBS (raising cellular homocysteine levels and suppressing the production of H 2 S in a dose-dependent manner) over CSE
While most side effects are minor, contact your provider if you experience persistent joint pain, significant swelling, carpal tunnel-like symptoms that don't resolve, or any reaction that feels out of the ordinary
Both are research peptides
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